What causes the leaves on a desert rose to yellow?
The plant is flowering but the leaves are yellowing?
Certified GKH Gardening Expert
There are several causes for yellowing foliage, but the number one reason is stress-underwatering, nutrient deficiency, shock, pests, etc. Pinpointing the cause for this stress is important in treating the plant. This article should provide some ideas: https://www.gardeningknowhow.com/plant-problems/environmental/plant-leaves-turn-yellow.htm